Home / 290,234.28-400,519.98-162,906.60

Finding the Fourth Proportional to 290,234.28, 400,519.98 and 162,906.60

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Solution

The fourth proportional to 290,234.28, 400,519.98 and 162,906.60 is: 224,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,234.28 : 400,519.98 = 162,906.60 : x
  2. Step 2: Convert to fraction form
    290,234.28/400,519.98 = 162,906.60/x
  3. Step 3: Cross multiply
    290,234.28x = 400,519.98 × 162,906.60
  4. Step 4: Simplify right side
    290,234.28x = 65,247,348,173.87
  5. Step 5: Solve for x
    x = 65,247,348,173.87/290,234.28
  6. Step 6: Final answer
    x = 224,809.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.